Solly's Cyclery Ultra Bright 5-LED Bike Tail Light - 6 Mode Flashing Rear Bicycle Light Affordable ultra bright rear bicycle safety light, every cyclist should have a rear safety light! Features 5 super bright LED lights that are visible up to 1/2 mile away Features 6 Modes: Steady light, 2 flashing/strobe light modes, 3 chasing light modes Includes mounting hardware for your bicycle seat post, also includes a clip for joggers, runners and baby strollers Includes a one year manufacturer's warranty from Solly's Cyclery. Lights have an extra long battery life - Lasts for up to 200 hours using 2 AAA alkaline batteries. LED bulbs last over 50,000 hours per bulb